FI77880C - Poroest material bestaoende vaesentligen av en ptfe-polymer. - Google Patents

Poroest material bestaoende vaesentligen av en ptfe-polymer. Download PDF

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Publication number
FI77880C
FI77880C FI833179A FI833179A FI77880C FI 77880 C FI77880 C FI 77880C FI 833179 A FI833179 A FI 833179A FI 833179 A FI833179 A FI 833179A FI 77880 C FI77880 C FI 77880C
Authority
FI
Finland
Prior art keywords
stretched
materials
stretching
density
average
Prior art date
Application number
FI833179A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI77880B (fi
FI833179L (fi
FI833179A0 (fi
Inventor
Jeffery Bruce Bowman
James David Lewis
Stephen Craig Newman
Richard Alan Staley
Daniel Elliot Hubis
Original Assignee
Gore & Ass
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27023364&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI77880(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US06/416,466 external-priority patent/US4482516A/en
Application filed by Gore & Ass filed Critical Gore & Ass
Publication of FI833179A0 publication Critical patent/FI833179A0/fi
Publication of FI833179L publication Critical patent/FI833179L/fi
Priority to FI880949A priority Critical patent/FI78713C/fi
Priority to FI880950A priority patent/FI78714C/fi
Priority to FI880951A priority patent/FI78715C/fi
Publication of FI77880B publication Critical patent/FI77880B/fi
Application granted granted Critical
Publication of FI77880C publication Critical patent/FI77880C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/08—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
    • D01F6/12—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluoroethylene, e.g. ePTFE, i.e. expanded polytetrafluoroethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FI833179A 1982-09-10 1983-09-06 Poroest material bestaoende vaesentligen av en ptfe-polymer. FI77880C (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI880949A FI78713C (fi) 1982-09-10 1988-03-01 Poroest material bestaoende vaesentligen av ptfe-polymer.
FI880950A FI78714C (fi) 1982-09-10 1988-03-01 Poroest material bestaoende vaesentligen av ptfe-polymer.
FI880951A FI78715C (fi) 1982-09-10 1988-03-01 Foerfarande foer framstaellning av poroest material bestaoende vaesentligen av ptfe-polymer.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US41646582A 1982-09-10 1982-09-10
US06/416,466 US4482516A (en) 1982-09-10 1982-09-10 Process for producing a high strength porous polytetrafluoroethylene product having a coarse microstructure
US41646582 1982-09-10
US41646682 1982-09-10

Publications (4)

Publication Number Publication Date
FI833179A0 FI833179A0 (fi) 1983-09-06
FI833179L FI833179L (fi) 1984-03-11
FI77880B FI77880B (fi) 1989-01-31
FI77880C true FI77880C (fi) 1989-05-10

Family

ID=27023364

Family Applications (1)

Application Number Title Priority Date Filing Date
FI833179A FI77880C (fi) 1982-09-10 1983-09-06 Poroest material bestaoende vaesentligen av en ptfe-polymer.

Country Status (7)

Country Link
EP (1) EP0106496B2 (de)
DE (1) DE3377288D1 (de)
DK (1) DK410383A (de)
ES (1) ES525496A0 (de)
FI (1) FI77880C (de)
NO (1) NO833230L (de)
PT (1) PT77321B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608158A1 (de) * 1986-03-12 1987-09-17 Braun Melsungen Ag Mit vernetzter gelatine impraegnierte gefaessprothese und verfahren zu ihrer herstellung
US4867881A (en) * 1987-09-14 1989-09-19 Minnesota Minning And Manufacturing Company Orientied microporous film
US4877661A (en) * 1987-10-19 1989-10-31 W. L. Gore & Associates, Inc. Rapidly recoverable PTFE and process therefore
DE3879613T2 (de) * 1987-10-19 1993-10-07 Gore & Ass Schnellrückstellbares PTFE und Verfahren zu dessen Herstellung.
US4902423A (en) * 1989-02-02 1990-02-20 W. L. Gore & Associates, Inc. Highly air permeable expanded polytetrafluoroethylene membranes and process for making them
US5296292A (en) * 1990-09-04 1994-03-22 W. L. Gore & Associates, Inc. Elongated cylindrical tensile article
DE69419265T2 (de) * 1994-07-27 2000-01-05 W.L. Gore & Associates, Inc. Höchfeste poröse folie aus ptfe
US5552100A (en) * 1995-05-02 1996-09-03 Baxter International Inc. Method for manufacturing porous fluoropolymer films
US6616876B1 (en) 2000-10-03 2003-09-09 Atrium Medical Corporation Method for treating expandable polymer materials
US6923927B2 (en) 2000-10-03 2005-08-02 Atrium Medical Corporation Method for forming expandable polymers having drugs or agents included therewith
WO2003045666A1 (en) * 2001-11-21 2003-06-05 Atrium Medical Corporation Method for treating expandable polymer materials and products produced therefrom
WO2003051232A1 (de) 2001-12-14 2003-06-26 Aesculap Ag & Co. Kg Gefässprothese, insbesondere zum ersatz von herznahen bereichen der aorta
EP1355204A3 (de) * 2002-04-19 2004-04-14 W.L. Gore & Associates, Inc. Polytetrafluorethylenfilm und Verfahren zu seiner Herstellung
US12397250B2 (en) * 2019-12-05 2025-08-26 Nitto Denko Corporation Stretched porous polytetrafluoroethylene membrane, air-permeable medium using the same, and filter member using the same
JP7397997B2 (ja) * 2019-12-13 2023-12-13 ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティド マクロテクスチャ表面を有する多孔質ポリテトラフルオロエチレン膜及びその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962153A (en) * 1970-05-21 1976-06-08 W. L. Gore & Associates, Inc. Very highly stretched polytetrafluoroethylene and process therefor
CA962021A (en) * 1970-05-21 1975-02-04 Robert W. Gore Porous products and process therefor
US4049589A (en) * 1973-03-19 1977-09-20 Sumitomo Electric Industries, Ltd. Porous films of polytetrafluoroethylene and process for producing said films
JPS5334868A (en) * 1976-09-13 1978-03-31 Sumitomo Electric Industries Fine porous tube

Also Published As

Publication number Publication date
ES8502637A1 (es) 1985-01-16
EP0106496B1 (de) 1988-07-06
PT77321A (en) 1983-10-01
EP0106496A2 (de) 1984-04-25
DE3377288D1 (en) 1988-08-11
FI77880B (fi) 1989-01-31
FI833179L (fi) 1984-03-11
DK410383A (da) 1984-03-11
EP0106496A3 (en) 1986-02-19
FI833179A0 (fi) 1983-09-06
NO833230L (no) 1984-03-12
EP0106496B2 (de) 1996-09-11
PT77321B (en) 1986-02-06
DK410383D0 (da) 1983-09-09
ES525496A0 (es) 1985-01-16

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: W.L.GORE & ASSOCIATES, INC.